The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
ANSYS, Inc. COM 03662Q105 43,649 494,940 SH   SOLE   402,965 0 91,975
Aceto Corporation COM 004446100 20,542 933,725 SH   SOLE   649,225 0 284,500
Actuant Corporation Class A COM 00508X203 75,617 3,185,195 SH   SOLE   2,328,605 0 856,590
Advance Auto Parts, Inc. COM 00751Y106 19,938 133,195 SH   SOLE   108,420 0 24,775
Advisory Board Company COM 00762W107 254 4,770 SH   SOLE   4,770 0 0
Align Technology, Inc. COM 016255101 23,462 436,215 SH   SOLE   355,365 0 80,850
Allied World Assurance Company COM H01531104 117,005 2,896,170 SH   SOLE   2,131,940 0 764,230
Altera Corporation COM 021441100 37,974 884,975 SH   SOLE   721,275 0 163,700
American International Group, COM 026874784 258 4,700 SH   SOLE   4,700 0 0
American Vanguard Corporation COM 030371108 16,876 1,589,090 SH   SOLE   1,113,790 0 475,300
Aptargroup, Inc. COM 038336103 31,509 496,045 SH   SOLE   404,695 0 91,350
Argo Group International Holdi COM G0464B107 63,771 1,271,606 SH   SOLE   886,584 0 385,022
Arthur J. Gallagher & Co. COM 363576109 45,091 964,520 SH   SOLE   786,440 0 178,080
B&G Foods, Inc. COM 05508R106 58,363 1,983,125 SH   SOLE   1,377,225 0 605,900
Baxter International Inc. COM 071813109 206 3,000 SH   SOLE   3,000 0 0
Bed Bath & Beyond Inc. COM 075896100 39,746 517,695 SH   SOLE   421,380 0 96,315
Blackbaud, Inc. COM 09227Q100 89,899 1,897,410 SH   SOLE   1,320,610 0 576,800
Bottomline Technologies (de), COM 101388106 33,283 1,216,055 SH   SOLE   842,705 0 373,350
Brady Corporation Class A COM 104674106 49,511 1,750,120 SH   SOLE   1,211,245 0 538,875
Bright Horizons Family Solutio COM 109194100 13,044 254,415 SH   SOLE   175,615 0 78,800
Bryn Mawr Bank Corporation COM 117665109 34,919 1,148,270 SH   SOLE   806,870 0 341,400
C. R. Bard, Inc. COM 067383109 28,050 167,610 SH   SOLE   136,725 0 30,885
CLARCOR Inc. COM 179895107 127,772 1,934,180 SH   SOLE   1,385,065 0 549,115
CST Brands, Inc. COM 12646R105 79,526 1,814,425 SH   SOLE   1,318,435 0 495,990
CVB Financial Corp. COM 126600105 57,456 3,604,500 SH   SOLE   2,523,650 0 1,080,850
Cabela's Incorporated COM 126804301 41,954 749,440 SH   SOLE   609,765 0 139,675
Cantel Medical Corp. COM 138098108 41,086 864,975 SH   SOLE   596,295 0 268,680
Cardtronics, Inc. COM 14161H108 49,853 1,325,880 SH   SOLE   923,120 0 402,760
Casey's General Stores, Inc. COM 147528103 60,094 666,975 SH   SOLE   466,875 0 200,100
Cepheid COM 15670R107 110,932 1,949,600 SH   SOLE   1,450,225 0 499,375
Commerce Bancshares, Inc. COM 200525103 40,721 962,220 SH   SOLE   784,140 0 178,080
Community Bank System, Inc. COM 203607106 40,990 1,158,235 SH   SOLE   816,235 0 342,000
Cooper Companies, Inc. COM 216648402 38,809 207,070 SH   SOLE   173,780 0 33,290
Core Laboratories NV COM N22717107 30,058 287,665 SH   SOLE   235,040 0 52,625
Cullen/Frost Bankers, Inc. COM 229899109 40,728 589,575 SH   SOLE   480,015 0 109,560
Deere & Company COM 244199105 219 2,500 SH   SOLE   2,500 0 0
Denbury Resources Inc. COM 247916208 55,788 7,652,625 SH   SOLE   5,720,040 0 1,932,585
Donaldson Company, Inc. COM 257651109 12,593 333,940 SH   SOLE   270,790 0 63,150
Dover Corporation COM 260003108 40,867 591,240 SH   SOLE   481,130 0 110,110
Edwards Lifesciences Corporati COM 28176E108 31,962 224,355 SH   SOLE   182,635 0 41,720
Elizabeth Arden, Inc. COM 28660G106 17,969 1,151,875 SH   SOLE   811,160 0 340,715
EnPro Industries, Inc. COM 29355X107 28,651 434,440 SH   SOLE   300,765 0 133,675
Endurance Specialty Holdings L COM G30397106 144,885 2,369,725 SH   SOLE   1,721,695 0 648,030
Esterline Technologies Corpora COM 297425100 108,514 948,385 SH   SOLE   696,285 0 252,100
Express Scripts Holding Compan COM 30219G108 278 3,200 SH   SOLE   3,200 0 0
Financial Engines, Inc. COM 317485100 65,534 1,566,670 SH   SOLE   1,094,495 0 472,175
First Financial Bankshares, In COM 32020R109 38,458 1,391,405 SH   SOLE   983,330 0 408,075
FleetMatics Group Ltd. COM G35569105 73,428 1,637,200 SH   SOLE   1,147,150 0 490,050
Flowers Foods, Inc. COM 343498101 65,214 2,867,830 SH   SOLE   2,334,495 0 533,335
Fortinet, Inc. COM 34959E109 5,105 146,080 SH   SOLE   118,560 0 27,520
Forum Energy Technologies, Inc COM 34984V100 38,108 1,944,285 SH   SOLE   1,339,785 0 604,500
Frank's International NV COM N33462107 23,137 1,237,275 SH   SOLE   1,007,470 0 229,805
Fresh Market, Inc. COM 35804H106 100,756 2,479,225 SH   SOLE   1,736,075 0 743,150
General Electric Company COM 369604103 273 11,000 SH   SOLE   11,000 0 0
Genomic Health, Inc. COM 37244C101 30,781 1,007,555 SH   SOLE   696,280 0 311,275
Globus Medical, Inc. Class A COM 379577208 57,977 2,297,020 SH   SOLE   1,614,045 0 682,975
Gorman-Rupp Company COM 383082104 2,721 90,850 SH   SOLE   64,965 0 25,885
Guidewire Software, Inc. COM 40171V100 124,972 2,375,445 SH   SOLE   1,727,355 0 648,090
H.B. Fuller Company COM 359694106 34,538 805,640 SH   SOLE   567,965 0 237,675
Helen of Troy Limited COM G4388N106 19,700 241,745 SH   SOLE   144,570 0 97,175
ICU Medical, Inc. COM 44930G107 52,520 563,880 SH   SOLE   394,055 0 169,825
Independent Bank Corp. COM 453836108 28,050 639,395 SH   SOLE   441,220 0 198,175
Informatica Corporation COM 45666Q102 49,104 1,119,700 SH   SOLE   912,705 0 206,995
Innospec Inc. COM 45768S105 26,396 569,005 SH   SOLE   398,280 0 170,725
Insulet Corporation COM 45784P101 45,895 1,376,175 SH   SOLE   968,350 0 407,825
Integra LifeSciences Holdings COM 457985208 88,454 1,434,775 SH   SOLE   998,150 0 436,625
J. M. Smucker Company COM 832696405 58,353 504,220 SH   SOLE   409,795 0 94,425
James River Group Holdings Ltd COM G5005R107 3,551 150,900 SH   SOLE   105,540 0 45,360
John Bean Technologies Corpora COM 477839104 6,849 191,735 SH   SOLE   131,635 0 60,100
John Wiley & Sons, Inc. Class COM 968223206 91,419 1,495,245 SH   SOLE   1,117,290 0 377,955
Lancaster Colony Corporation COM 513847103 62,515 656,880 SH   SOLE   455,485 0 201,395
LogMeIn, Inc. COM 54142L109 61,846 1,104,595 SH   SOLE   767,820 0 336,775
Lydall, Inc. COM 550819106 25,980 819,045 SH   SOLE   560,270 0 258,775
Masimo Corporation COM 574795100 43,099 1,306,830 SH   SOLE   902,405 0 404,425
McCormick & Company, Incorpora COM 579780206 56,763 736,130 SH   SOLE   599,600 0 136,530
Medidata Solutions, Inc. COM 58471A105 37,685 768,460 SH   SOLE   538,010 0 230,450
Mentor Graphics Corporation COM 587200106 22,486 935,755 SH   SOLE   657,255 0 278,500
Mettler-Toledo International I COM 592688105 23,268 70,800 SH   SOLE   57,640 0 13,160
Molson Coors Brewing Company C COM 60871R209 21,800 292,815 SH   SOLE   238,175 0 54,640
NBT Bancorp Inc. COM 628778102 21,895 873,715 SH   SOLE   603,015 0 270,700
Navigators Group, Inc. COM 638904102 35,267 453,075 SH   SOLE   317,160 0 135,915
Northern Trust Corporation COM 665859104 45,970 660,015 SH   SOLE   537,975 0 122,040
NuVasive, Inc. COM 670704105 63,748 1,386,130 SH   SOLE   976,830 0 409,300
Omnicell, Inc. COM 68213N109 46,208 1,316,460 SH   SOLE   911,860 0 404,600
Owens & Minor, Inc. COM 690732102 29,752 879,210 SH   SOLE   609,485 0 269,725
PROS Holdings, Inc. COM 74346Y103 56,809 2,299,025 SH   SOLE   1,619,650 0 679,375
PTC Inc. COM 69370C100 45,065 1,245,935 SH   SOLE   1,016,255 0 229,680
Panera Bread Company Class A COM 69840W108 37,907 236,925 SH   SOLE   192,865 0 44,060
Parker-Hannifin Corporation COM 701094104 33,141 279,010 SH   SOLE   227,165 0 51,845
Phibro Animal Health Corporati COM 71742Q106 16,310 460,615 SH   SOLE   323,815 0 136,800
Philip Morris International In COM 718172109 339 4,500 SH   SOLE   4,500 0 0
Post Holdings, Inc. COM 737446104 30,397 648,960 SH   SOLE   446,960 0 202,000
Potash Corporation of Saskatch COM 73755L107 210 6,500 SH   SOLE   6,500 0 0
Prosperity Bancshares, Inc.(R) COM 743606105 86,907 1,656,000 SH   SOLE   1,247,300 0 408,700
QUALCOMM Incorporated COM 747525103 243 3,500 SH   SOLE   3,500 0 0
Qlik Technologies Inc. COM 74733T105 65,201 2,094,470 SH   SOLE   1,455,695 0 638,775
Qualys, Inc. COM 74758T303 81,842 1,760,795 SH   SOLE   1,223,470 0 537,325
RBC Bearings Incorporated COM 75524B104 67,092 876,555 SH   SOLE   606,830 0 269,725
Raven Industries, Inc. COM 754212108 37,870 1,850,905 SH   SOLE   1,303,330 0 547,575
Red Hat, Inc. COM 756577102 62,424 824,085 SH   SOLE   671,495 0 152,590
Ritchie Bros. Auctioneers Inco COM 767744105 43,796 1,756,055 SH   SOLE   1,298,180 0 457,875
Rockwell Automation, Inc. COM 773903109 50,996 439,660 SH   SOLE   358,450 0 81,210
Sally Beauty Holdings, Inc. COM 79546E104 10,539 306,620 SH   SOLE   249,335 0 57,285
Sensient Technologies Corporat COM 81725T100 44,714 649,160 SH   SOLE   447,110 0 202,050
Sirona Dental Systems, Inc. COM 82966C103 49,963 555,210 SH   SOLE   453,010 0 102,200
Snyder's-Lance, Inc. COM 833551104 78,974 2,471,035 SH   SOLE   1,727,410 0 743,625
Solera Holdings, Inc. COM 83421A104 26,665 516,170 SH   SOLE   420,420 0 95,750
Splunk Inc. COM 848637104 10,511 177,545 SH   SOLE   144,640 0 32,905
St. Jude Medical, Inc. COM 790849103 65,600 1,003,055 SH   SOLE   817,930 0 185,125
Standex International Corporat COM 854231107 47,750 581,390 SH   SOLE   402,385 0 179,005
STERIS Corporation COM 859152100 105,290 1,498,365 SH   SOLE   1,073,675 0 424,690
Suncor Energy Inc. COM 867224107 278 9,500 SH   SOLE   9,500 0 0
Teleflex Incorporated COM 879369106 28,349 234,615 SH   SOLE   190,955 0 43,660
TreeHouse Foods, Inc. COM 89469A104 56,934 669,660 SH   SOLE   467,110 0 202,550
TriMas Corporation COM 896215209 92,097 2,991,145 SH   SOLE   2,109,345 0 881,800
Tupperware Brands Corporation COM 899896104 31,912 462,360 SH   SOLE   375,910 0 86,450
UMB Financial Corporation COM 902788108 96,490 1,824,355 SH   SOLE   1,281,255 0 543,100
Verisk Analytics, Inc. Class A COM 92345Y106 42,005 588,305 SH   SOLE   479,620 0 108,685
WEX Inc. COM 96208T104 145,380 1,354,135 SH   SOLE   1,003,505 0 350,630
WOODWARD, INC. COM 980745103 81,489 1,597,520 SH   SOLE   1,119,795 0 477,725
Washington Trust Bancorp, Inc. COM 940610108 33,940 888,705 SH   SOLE   618,255 0 270,450
Waters Corporation COM 941848103 27,133 218,250 SH   SOLE   178,215 0 40,035
West Pharmaceutical Services, COM 955306105 61,997 1,029,675 SH   SOLE   717,850 0 311,825
Willis Group Holdings Plc COM G96666105 42,428 880,615 SH   SOLE   717,205 0 163,410
Wolverine World Wide, Inc. COM 978097103 101,580 3,036,785 SH   SOLE   2,096,410 0 940,375
Xilinx, Inc. COM 983919101 28,154 665,575 SH   SOLE   541,825 0 123,750
Zimmer Holdings, Inc. COM 98956P102 27,591 234,780 SH   SOLE   191,570 0 43,210
Zoetis, Inc. Class A COM 98978V103 32,952 711,870 SH   SOLE   579,460 0 132,410
BP p.l.c. Sponsored ADR ADR 055622104 235 6,000 SH   SOLE   6,000 0 0
Diageo plc Sponsored ADR ADR 25243Q205 332 3,000 SH   SOLE   3,000 0 0
Sanofi Sponsored ADR ADR 80105N105 247 5,000 SH   SOLE   5,000 0 0